Paper/patches/server/0736-Add-Raw-Byte-Entity-Serialization.patch
Shane Freeder 2f31569807
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
9115281f SPIGOT-6832: Improve Player#getPing docs

CraftBukkit Changes:
fd3478bc7 #967: Store last lava contact location for events

Spigot Changes:
dbf49382 Rebuild patches
58cb9d26 #113: Use simulationDistance for entity activation range base
2021-12-03 21:28:15 +00:00

82 lines
4.5 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Sun, 24 Oct 2021 16:20:31 -0400
Subject: [PATCH] Add Raw Byte Entity Serialization
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 9e966aab98ffcb30c700396025d755ffdad8b7f5..dd21b208fcfa73b17123abb83358b823201bdfaf 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -1826,6 +1826,15 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, i
}
}
+ // Paper start - Entity serialization api
+ public boolean serializeEntity(CompoundTag compound) {
+ List<Entity> pass = new java.util.ArrayList<>(this.getPassengers());
+ this.passengers = ImmutableList.of();
+ boolean result = save(compound);
+ this.passengers = ImmutableList.copyOf(pass);
+ return result;
+ }
+ // Paper end
public boolean save(CompoundTag nbt) {
return this.isPassenger() ? false : this.saveAsPassenger(nbt);
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index ee50ea695585639d0ff184b675f3fb3b205b9f86..5aae88e20bc04560d6ad52cfcaa872d28bfcee8f 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -1276,5 +1276,15 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
}
return set;
}
+
+ @Override
+ public boolean spawnAt(Location location, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason reason) {
+ Preconditions.checkNotNull(location, "location cannot be null");
+ Preconditions.checkNotNull(reason, "reason cannot be null");
+ entity.level = ((CraftWorld) location.getWorld()).getHandle();
+ entity.setPos(location.getX(), location.getY(), location.getZ());
+ entity.setRot(location.getYaw(), location.getPitch());
+ return !entity.valid && entity.level.addFreshEntity(entity, reason);
+ }
// Paper end
}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index ac9bfb29009d9969c7444678fb1478752f15bfac..d51c63496b55d64ac7ee6175bc364012df897891 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -421,6 +421,30 @@ public final class CraftMagicNumbers implements UnsafeValues {
return CraftItemStack.asCraftMirror(net.minecraft.world.item.ItemStack.of((CompoundTag) converted.getValue()));
}
+ @Override
+ public byte[] serializeEntity(org.bukkit.entity.Entity entity) {
+ Preconditions.checkNotNull(entity, "null cannot be serialized");
+ Preconditions.checkArgument(entity instanceof org.bukkit.craftbukkit.entity.CraftEntity, "only CraftEntities can be serialized");
+
+ CompoundTag compound = new CompoundTag();
+ ((org.bukkit.craftbukkit.entity.CraftEntity) entity).getHandle().serializeEntity(compound);
+ return serializeNbtToBytes(compound);
+ }
+
+ @Override
+ public org.bukkit.entity.Entity deserializeEntity(byte[] data, org.bukkit.World world, boolean preserveUUID) {
+ Preconditions.checkNotNull(data, "null cannot be deserialized");
+ Preconditions.checkArgument(data.length > 0, "cannot deserialize nothing");
+
+ CompoundTag compound = deserializeNbtFromBytes(data);
+ int dataVersion = compound.getInt("DataVersion");
+ Dynamic<Tag> converted = DataFixers.getDataFixer().update(References.ENTITY_TREE, new Dynamic<>(NbtOps.INSTANCE, compound), dataVersion, getDataVersion());
+ compound = (CompoundTag) converted.getValue();
+ if (!preserveUUID) compound.remove("UUID"); // Generate a new UUID so we don't have to worry about deserializing the same entity twice
+ return net.minecraft.world.entity.EntityType.create(compound, ((org.bukkit.craftbukkit.CraftWorld) world).getHandle())
+ .orElseThrow(() -> new IllegalArgumentException("An ID was not found for the data. Did you downgrade?")).getBukkitEntity();
+ }
+
private byte[] serializeNbtToBytes(CompoundTag compound) {
compound.putInt("DataVersion", getDataVersion());
java.io.ByteArrayOutputStream outputStream = new java.io.ByteArrayOutputStream();